zntpdate is a tool that allowes you to modify date/time.
Like ntpdate, it is a NTP client but with adding option to let's you adjust time received from your favorite NTP server before set the time to your computer.

Pace-ICMP is a utility that can allow X amount of ICMP (ping, etc) packets travel to the host, once X is exceeded, all ICMP traffic is blocked. This allows ping and traceroute functionality, while still protecting you against ICMP attacks.

A statistics utility to be used with qmail-scanner. It utilizes log entries generated by a patch to the qmail-scanner distribution to report spam and virus details. Often included in the qmailstats script from QmailRocks.org to send nightly stats emails.